Cosmos Facts, FAQ & Common Questions
2014 · FOX, National Geographic · Status: Ended · Rated: TV-G
Frequently Asked Questions About Cosmos
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does Cosmos have?
Cosmos has 2 seasons and 26 total episodes, spanning from its premiere on March 9, 2014 to April 20, 2020.
Is Cosmos renewed, ended, or canceled?
Cosmos has concluded its run and is officially ended.
How long does it take to binge watch Cosmos?
It takes 19h 23m (1163 minutes) to watch the complete run of Cosmos. At a standard pace of 2 hours per day, you will finish the entire series in approximately 10 days. Possible with dedication! Finishing this 19.4-hour series over Saturday and Sunday requires around 9.7 hours of viewing each day.
What is the highest-rated episode of Cosmos?
The highest-rated episode is Season 1, Episode 13 ("Unafraid of the Dark"), which holds an outstanding rating of 8.7/10 based on 25 audience ratings.
Where can you stream or watch Cosmos?
Cosmos is available for streaming on Google Play Movies, Amazon Video, Sky Store. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for Cosmos?
Cosmos has an official content rating of TV-G.
Who are the lead actors in Cosmos?
The primary ensemble cast includes Neil deGrasse Tyson as Self - Host (age 67), Ann Druyan (age 77), Carl Sagan as Self (archive footage) (age 62 (deceased)), Seth MacFarlane as President Harry S. Truman (voice) (age 52).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Neil deGrasse Tyson | Self - Host | 67 |
| Ann Druyan | Main Cast | 77 |
| Carl Sagan | Self (archive footage) | 62 (deceased) |
| Seth MacFarlane | President Harry S. Truman (voice) | 52 |
| Sasha Sagan | Rachel Molly Gruber | – |
| Stoney Emshwiller | Guard (voice) | 67 |
| André Sogliuzzo | Weichelberger (voice) | 60 |
| Christopher Emerson | Acolyte (voice) | 44 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for Cosmos are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.